F42C 9/18
When the spin rate falls below a predetermined limit
Official title: when the spin rate falls below a predetermined limit, e.g. a spring force being stronger than the locking action of a centrifugally-operated lock
F42C9/18 (When the spin rate falls below a predetermined limit) appears on 16 US grants and 3 published applications in this corpus.
Search patents in F42C- Granted patents
- 16
- Published applications
- 3
- Assignees
- 14
- Inventors
- 32
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuze comprising a self-destruction device for a gyratory projectile19 Mar 2024US 11,933,594 B2Dixi Microtechniques
- Self destruction impact fuse27 Dec 2011US 8,082,845 B2Advanced Meterial Engineering Pte Ltd
- Submunition fuze30 Jan 2007US 7,168,367 B2Israel Military Industries Ltd.
- Self-destructing impact fuse29 May 2001US 6,237,495 B1Chartered Ammunition Industries PTE LTD
- Spin-decay self-destruct fuze7 Nov 2000US 6,142,080 AGeneral Dynamics Armament Systems, Inc.
Most cited
By later US patents
- Grenade-type projectile28US 4,969,397 ARheinmetall GmbH · 1990
- Delayed arming fuze for a spinning projectile15US 4,242,963 AGeneral Electric Company · 1981
- Projectile fuze12US 4,004,521 AThe United States of America as represented by the Secretary of the Army · 1977
- Self-destructing impact fuse11US 6,237,495 B1Chartered Ammunition Industries PTE LTD · 2001
- Self-destruction type nose impact fuze for spinning projectiles8US 3,994,230 AWerkzeugmaschinenfabrik Oerlikon-Buhrle AG · 1976